lemon, for now, sanjay gupta. >>> hi, thank you for joining us, i'm reporting from los angeles today where we'll talk about omega 3 supplements. a full disclosure, i do take them myself, but a new study says don't bother. >>> and the triathlon, after a big race, we'll see more. and first, cancer cures under the microscope. >>> this week, md anderson, the largest cancer center in the world make this surprising announcement. they say we're finally in a position to radically reduce the death rate from several common cancers. not some someday, far off in the future, but instead, soon. including cancers like melanoma, prostate, lung cancer, the biggest killer. it is a big challenge, but some say we just simply can't afford the huge cost of new treatments. and we've also heard new ideas before, but this time they say it is different. she was half way through her senior year of college last december when she noticed something strange in her left breast. >> something was just not right. and i knew it was not. and i just felt like it was something not good. >> two doctors told her not to worr
